Charlie Sheen and Denise Richards’ feud has exploded again over Twitter, with the ex Two And A Half Men star unleashing a bizarre rant against his ex on Father’s Day.

Branding Richards a ‘washed up piglet shame pile’, Sheen was not holding back as he publicly lashed out at her.

But Richards quickly hit back with a series of dignified tweets relating to her erratic former husband in which she wished him a Happy Father’s Day from his daughters Sam (11) and Lola (10) before suggesting that they were disappointed not to be spending the day with him.

Charlie’s strange tweets, which have since been removed from his Twitter page, read: